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Structural mechanics
Structural mechanics
Fluid mechanics

Hydrodynamic Simulation with Ansys AQWA

Reliable calculation of the effects of wind and wave loads on structural components


Training Basic

Calculate the effect of wave, current and wind loads on marine vessels and offshore installations during the development phase. This training is offered as a 2-day course.

2 days


Software used
Ansys Mechanical

  • Designing structures for complex offshore environments
  • Fast investigations of many variants
  • Implement optimal design through simulation
  • Simulation of the assembly process of offshore plants


Offshore installations are frequently exposed to changing weather conditions. Of great interest is the most accurate calculation of the effect of wind and wave loads on the structure under these different conditions. The same applies to all types of vessels - from tankers to cruise liners. With Ansys AQWA you can simulate the hydrodynamic interaction with minimal computing time. In contrast to time-consuming CFD simulations, the solution is based on 3D radiation / diffraction theory, which is itself based on potential theory.

You can simulate the behavior of the marine vessels or offshore installations during development to create an optimal design. The development time can thus be significantly shortened. For the assembly of offshore installations or mooring of floating structures, hydrodynamic simulation is also an important tool for investigating the resulting loads and problems.

This training is for engineers who develop marine vessels and offshore installations, or who would like to investigate the behavior of these marine vessels or installations under different wave, current and wind loads during the development stage.

Detailed agenda for this 2-day training

Day 1

01 Simulation with Ansys AQWA

  • Introduction to hydrodynamic simulation
  • Modeling for AQWA in Ansys Workbench
  • Internal tank
  • Additional elements in AQWA
  • Import of the model database (AQWA Classic) into AQWA Workbench
  • Elements and loads in AQWA
  • Typical tasks
  • Demo: Hydrodynamic diffraction of a ship

02 Hydrodynamic diffraction and radiation analysis

  • Basic principles
  • Analysis settings
  • Hydrostatic and hydrodynamic results
  • Workshop: Hydrodynamic diffraction analysis of a ship at a jetty

03 Multibody system and connections

  • Interaction in a multi-body system
  • Cable connection and cable dynamics
  • Fender
  • Joint connection
  • Tethers and risers
  • Joint stiffness matrix
  • Workshop: Hydrodynamic simulation of an anchored ship

04 Static and dynamic stabilities

  • Determining the equilibrium position
  • Considering cable dynamics
  • Static and dynamic stability analysis
  • Workshop: Stability analysis of aship at a jetty

Day 2

05 Hydrodynamic transient response

  • Equation of motion and its solution
  • Application of spectral loading for transient analysis in the time domain
  • Transient responses to regular waves
  • Transient responses to irregular waves
  • Workshop: Transient analysis of the ship at a jetty

06 Statistical analysis in the frequency domain

  • Wave and drift frequency response
  • Linearization of nonlinearities
  • Consideration of hydrodynamic forces/moments due to drift frequency
  • Workshop: Ship response at a jetty in the frequency domain

07 Hydrodynamic analysis for models with line bodies

  • Modeling with line bodies – Morison elements
  • Morison equation
  • Hydrodynamic analysis with Morison elements
  • Workshop: Hydrodynamic simulation of a truss

08 Load transfer from Ansys AQWA to Ansys Mechanical

  • Load transfer workflow
  • Requirement for load transmission
  • Structural mechanics analysis with hydrodynamic loads
  • Workshop: Transfer of hydrodynamic loads to Ansys Mechanical

Your Trainers

Dr.-Ing. Jixiang Li
CAE Engineer, CADFEM Germany GmbH, Hanover

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Do you have questions on the training?

When will I receive the final confirmation for my training booking?

Straight after you sign up, an automatic confirmation of receipt will be sent to the email addresses you provided. Once you have successfully verified the data you provided, you will receive your personalized sign-up confirmation, containing further information on course fees, the billing address, etc., by email within two to three working days.  

As soon as the minimum number of attendees has been reached, you will receive a final training confirmation containing further information. If you have booked an on-site training, we recommend that you wait until you have received this final confirmation before booking your travel and accommodation.

If the minimum number of attendees is not reached, we reserve the right to cancel the training seven days before it is due to start at the latest. We are happy to inform you on changing your booking to an alternative date. Please note that we accept no liability for hotel or travel bookings that attendees have already made.

When is the sign-up deadline for a training?

Training places will generally be allocated based on the order in which attendees sign up. For this reason, we always recommend booking for your desired date as early as possible.

As long as a coures still has free places, it can be booked.

At what time do the training courses begin and end?

Usually the training courses start at 9:00 am and end at 5:00 pm of the respective local time. The actual course times will be stated in the booking confirmation. Please note that, depending on the training host, there may be a possible time shift between your and the provider's local time. Therefore all local times are provided with the valid time shift to Greenwich Mean Time (GMT). 

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